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Table 5 Genetic diversity within the three main clusters identified by the STRUCTURE analysis at K = 4a

From: Loss of genetic diversity as a signature of apricot domestication and diffusion into the Mediterranean Basin

 

Cluster size

H o 1/ H o 2

H e 1 / H e 2

A r 1,c / A r 2,c

A pr 1,c / A pr 2,c

Cluster 1

39

0.583 / 0.572

0.653 / 0.645

7.747 / 7.625

2.954 / 2.961

Cluster 3

58

0.548 / 0.543

0.568 / 0.559

4.164 / 4.004

0.198 / 0.203

Cluster 4

63

0.444 / 0.437

0.508 / 0.503

4.527 / 4.505

0.504 / 0.497

P (Cluster 1 vs. 3)

 

0.621 / 0.757

0.069 / 0.073

10-6$$$ / 8.3 10-7$$$

4 10-9$$$ / 4.7 10-9$$$

P (Cluster 1 vs. 4)

 

0.037$ / 0.048$

0.018$ / 0.027$

7 10-6$$$ / 1.6 10-5$$$

9 10-9$$$ / 9 10-9$$$

P (Cluster 3 vs. 4)

 

0.055 / 0.059

0.388 / 0.458

0.409 / 0.332

0.008$$ / 0.008$$

  1. a Cluster 2 was not taken into account in the genetic diversity analysis because of its limited size (seven individuals; Figure 2).
  2. H o observed heterozygosity; H e expected heterozygosity; A r allelic richness; A pr private allelic richness.
  3. 1 computed based on all SSR loci used in this study (25 loci); 2 computed based only on 24 SSR loci under the assumption of neutrality.
  4. c standardized at maximum value G = 53 individuals per cluster.
  5. Probability of independency between two clusters using the two-tailed Mann-Whitney’s U test. $P < 0.05; $$P <0.01; $$$P < 0.001.
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BMC Plant Biology

ISSN: 1471-2229

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